Protection for well-known marks is also available.

驰名商标也同样受到保护。

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A process known as garbage collection, run by the JVM, marks all known created objects and then cleans the rest of the heap for further allocations.

jvm会运行一个称为垃圾收集的过程，垃圾收集标出所有创建的对象，然后清理堆的其余部分供以后的分配使用。

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It is well known that poor diet and lack of exercise make insulin resistance more likely, so one hypothesis is that these things change the epigenetic marks on genes such as PGC-1 alpha.

众所周知，饮食不健康或缺乏锻炼更易导致胰岛素阻抗，所以有假设说，这些情况会改变譬如pgc - 1这样的基因上的外遗传标签。

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December 7 is known as "national students' day" in Iran, and it marks the anniversary of the 1953 slaying of three students by Shah Mohammed Reza Pahlevi's security forces, following a coup against populist Prime Minister Mohammed Mosadegh, earlier that year Eyewitnesses say hundreds of students have received threatening emails,this week, warning them not to participate in Monday's demonstrations.

VOA: standard.2009.12.07

UltraHD TV technology, formerly known as 4K, marks a major innovation in HD resolution.

ENGADGET: Broadcom's new ARM-based chip boosts Ultra HD TV into living rooms of the future

It's also known as Juneteenth, a holiday that marks the day slaves in Galveston, Texas found out that they had been freed by the Emancipation Proclamation.

NPR: Embracing Freedom: Juneteenth Celebrations

Some Internet-security experts believe that the Georgia conflict marks the first time a known cyberattack has coincided with a ground war, but others said that similar computer attacks have accompanied military operations in the Middle East and elsewhere.

CNN: U.S. at risk of cyberattacks, experts say